215+ iOS apps curated and reviewed
Fusheng Tools is the household name in fusheng tools, but it's far from the only option. We track 215+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 4.8★ (17K) | No | No | Jul 2026 |
| 3 |  | Free | 5.0★ (5) | No | No | May 2026 |
| 4 |  | Free | 4.8★ (5.1K) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.7★ (23K) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (357K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.3★ (3.2K) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (946) | Yes | Yes | Jul 2026 |
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
This app provides HVAC professionals and students with essential calculation tools, including air stream mixing, HVAC formulas, lead time planning, and a psychrometric calculator with weather data. It also offers educational content and industry-specific terminology.
Access a vast database of product information for air conditioning and refrigeration systems on your mobile device. Quickly find specifications, diagrams, and diagnostic tools. Includes AI-powered assistance and a "Where To Buy" locator.
This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.
This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
Easily capture and annotate object dimensions with photos. Store, organize, and share measurements with detailed comments and multiple detail photos. Ideal for professionals and DIYers needing precise documentation.
This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.
This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.
This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.
This aviation calculator app offers 27 functions for navigation, fuel calculations, and conversions. It includes a versatile timer for tracking multiple time zones and performing countdowns with alerts. Designed for pilots, it simplifies complex flight planning and in-flight computations.
This app facilitates measurements for HVAC systems using compatible Bluetooth-enabled Elitech products. It offers real-time data visualization, report generation, and automated calculations for technicians. Build flexible measurement systems with ease.
This app offers a comprehensive suite of powerful tools designed to enhance digital life efficiency. Its clean interface and focus on essential functions help declutter your device and streamline tasks. Enjoy a pure, beautiful, and pragmatic user experience.
This aviation utility provides over 100 functions, conversions, and utilities for pilots. It offers accurate calculations for flight planning, performance, navigation, and aerodynamics, surpassing other E6B apps with its comprehensive and precise scientific formulas.
Easily capture and annotate photos of objects with dimensions, angles, and text comments. Organize projects, share them as PDFs or images, and collaborate with others via cloud features. Ideal for professionals needing to document and share measurements accurately.
This app offers real-time calculations, allowing you to see results as you type. It goes beyond basic arithmetic with advanced functions, unit conversions, and customizable expressions, acting as a powerful helper for complex calculations.
This app offers a smart calculator with a history tape and expression view to track your calculations. It includes over 500 unit conversions and scientific functions, with an Apple Watch extension for on-the-go use.
This app supports measurements for refrigeration, HVAC, and heating systems. It also aids in food safety, frying oil quality, and indoor climate monitoring. Quickly interpret data, create digital reports with photos, and send them via email.
This app simplifies concrete volume calculations for professionals and DIYers. It offers flexible unit support and a free rectangular slab calculator, with advanced features available via subscription.
This app offers both basic and advanced scientific calculations with a user-friendly interface. It allows for real-time editing of calculations, history management, and theme customization.